-57.94% is the change from 680 to 286
Calculation steps:
[( 286 - 680 ) ÷ 680] x 100 = -57.94%
Formula
Percentage change = [(286 - 680) / 680] x 100
Subtract the new number by the original number
286 - 680 = -394
-394 ÷ 680 = -0.5794117647058824
-0.5794117647058824 x 100 = -57.94%